This tutorial teaches you how to forward all your emails to an external address such as Hotmail or Gmail
If you are considering forwarding your email to another email account, please consider:
Some people have an email address that they prefer over the others. Mail forwarding allows your mail to be delivered to a mailbox that is external to your Exchange account. This can also be used to deliver emails to another person entirely. But don’t worry, emails that are sent to you will still remain on the server – so basically you’ll get two copies of each email, one on your Exchange Server, and one on the external email account! If you prefer not to receive a copy of the email on both accounts, that can be achieved through the rule.
In Outlook 2013, mail forwarding can be achieved through creating a rule.
NOTE: If you only check your email externally, the messages will remain on the Exchange server and accumulate. Be careful not to exceed your 5GB quota. You can also create a rule to automatically delete messages to avoid this, see below.
If you choose to forward your email to another email account you will need to either continue to maintain your Queen's Exchange email account ensuring you do not go over quota, or delete the email from the Queen's Exchange server. This involves adding one simple action to the rule.
Follow the instructions exactly as above except in step 5, add delete it to the actions